We asked the BuzzFeed Community for the most unsettling unsolved crimes they've ever heard of. Here are the spine-tingling results.
WARNING: The nature of and images featured in this post are unsettling and may be extremely disturbing to some readers.
1. Black Dahlia Murder
In 1947, the body of a woman named Elizabeth Short was found in Los Angeles, her body mutilated and sliced in half at the waist. Her organs had been pulled out, her body drained of blood and posed in a provocative position. There have been many suspects, but the crime is still unsolved.
—Ben Estep, Facebook
2. Boy in the Box
A 4- to 6-year-old boy’s naked, battered body was found in a cardboard box in Philadelphia in February 1957. He is often referred to as "America's Unknown Child," because his identity still hasn’t been confirmed, and the case is still open.
—April Catherine, Facebook
3. Axeman of New Orleans
From May 1918 to October 1919, a slew of murders occurred in Louisiana and Texas, many of them carried out with axes belonging to the victims themselves. Police never figured out if the killer was male or female, and some even believed the Axeman to be a supernatural force.
4. 2001 Anthrax Attacks
One week after September 11, 2001, several news media outlets and two Democratic U.S. senators received letters laced with military-grade anthrax that infected 17 people and killed five others. The motive for the anthrax mailings is still unknown.
—Sean P. Cook, Facebook
5. The Keddie Murders
In 1981, in Keddie, California, three members of the Sharp family and one family friend were bludgeoned to death with hammers, and one was stabbed repeatedly. Each body was bound with medical tape. To this day, no arrests have been made.
—Jessica Wirick, Facebook
6. The Children Who Went Up in Smoke
Five of nine children disappeared after a fire demolished the Sodder family's home in West Virginia on Christmas Eve 1945. The creepiest part? The children's remains still haven't been found, over 60 years later.
—Jackie Meeks, Facebook
7. Bear Brook Murders
The decomposing, beaten bodies of four unidentified murder victims were found in trash bags in 1985 and 2011 in Bear Brook State Park in New Hampshire. Today, police still do not know the names of the victims or the person who killed them.
—Holly Diveley, Facebook
8. The Dyatlov Pass Incident
Nine hikers died of mysterious circumstances in February 1959 in the northern Ural Mountains. Evidence proved they'd torn their tents from the inside out, and their bodies showed no signs of struggle when they were found facedown in the snow.
—Lynne Carpenter, Facebook
9. The Taman Shud Case
An unidentified man was found dead on a beach in Adelaide, South Australia, in December 1948. In his pocket was a piece of paper with the phrase tamán shud, which means "ended" or "finished" in Persian. An unknown poison was found in his body.
—Alexandra Maris Kerr Brewster, Facebook
10. The Hinterkaifeck Farmstead Murders
One night in March 1922, six inhabitants of Hinterkaifeck farm in Germany were brutally murdered with a mattock. Over 90 years later, the mystery remains unsolved.
—Ann Catherine Hughes, Facebook
11. The Disappearance of Amy Lynn Bradley
Amy Lynn Bradley went missing from a cruise ship while on vacation in 1998, after stepping out of her cabin early in the morning for a cigarette. A credible witness claimed to have seen her in a restroom in Barbados in 2005, but no other evidence of her whereabouts has been offered up.
—Holly Brown, Facebook
12. Highway of Tears Murders
13. Kyllikki Saari Murder
The body of 17-year-old Auli Kyllikki Saari was found in 1953 in a bog in Finland, after the girl was bicycling home from a prayer meeting. Suspects included a parish priest and a man who'd spent a lot of time at a local mental institution.
—Alexandra Maris Kerr Brewster, Facebook
14. The Disappearance of Madeleine McCann
15. The Lake Bodom Murders
In June 1960, two teenage girls and one boy were stabbed and beaten to death with rocks in their tent at Lake Bodom in Finland. In 2004, the sole survivor, Nils Gustafsson, was accused of killing his friends because he wanted to have sex with one of the girls. He was found not guilty.
16. The Original Night Stalker/East Area Rapist
From 1979 through 1989, a still-unidentified man murdered at least 10 people and raped more than 50 women in Southern California. Years later, he called some of his victims, saying things such as "Merry Christmas, it's me again!" and hanging up.
—Jerika Layne, Facebook
17. Villisca Axe Murders
In Iowa on the evening of June 9 and morning of June 10, 1912, six members of the well-liked Moore family and two of their guests were bludgeoned to death with an axe. There were quite a few suspects, but the crime still hasn’t been solved.
—Katie Alexander, Facebook
18. The Houston Ice Box Killer
In 1965, the body parts of Fred and Edwina Rogers were found inside their refrigerator, wrapped neatly on the shelves. Police believe their son, Charles Rogers, committed the crime — he hasn't been seen since the incident.
—Celia Scheer, Facebook
19. The Death of Elisa Lam
The body of a Canadian student was discovered in the water tank of a Los Angeles hotel in February 2013 — after she’d been reported missing for several weeks prior. Employees found her body when looking into guest complaints of problems with the water supply.
—Shannon Glasheen, Facebook